Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 259 for “"complex problems"”.
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Inference and Task Planning over Spatially Complex Problems
… learn and execute tasklevel plans in spatially complex environments. To achieve this goal, we introduce a propositional logic framework to encode spatial relationships between objects and an inference scheme to identify important relationships between defined object classes. Finally, we present …
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Applications of auction algorithms to complex problems with constraints
Linear and nonlinear assignment problems are addressed by the use of auction algorithms. The application of auction to the standard linear assignment problem is reviewed. The extension to nonlinear problems is introduced and illustrated with two examples. Techniques that are employed for model …
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Computational Bayesian methods applied to complex problems in bio and astro statistics.
… computational Bayesian methods to three distinct problems. In the first chapter, we address the issue of unrealistic covariance matrices used to estimate collision probabilities. We model covariance matrices with a Bayesian Normal-Inverse-Wishart model, which we fit with Gibbs sampling. In the …
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Exploring Complex Problems in Fluid Dynamics: from CFD to Experiments Leveraging ML
… we apply ML methods to three engineering problems of high importance to theory and applications: 1. Optimizing Vortex Generators to Reduce Ship Form Drag: In the quest for reducing ship emissions, it is imperative that the fluid mechanics of ship resistance be explored for improving …
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Education for All? Complex solutions to complex problems in the Nigerian education sector
… and implementation in the education sector; a complex adaptive systems approach. Structured in two parts, the research first makes the case for viewing the education sector as a complex system, and then moves out of the theoretical domain into development practice (a modelling exercise). Two of …
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Stochastic Sequential Resource Allocation and Passenger Assignment in Aviation Security Systems
… be makeshift political solutions for mending complex problems; they can be the result of modeling, analysis, and planning. This dissertation pro-actively aims to address potential areas of concern that are likely to draw the attention in the future, and addresses some of the challenges most …
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Designing Aviation Security Systems: Theory and Practice
… be makeshift political solutions for mending complex problems; they can be the result of modeling, analysis, and planning. This dissertation provides a systematic approach for designing and analyzing aviation security systems, which provides insight into the operation of passenger screening …
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A Qualitative Approach to Rigid Body Mechanics
… part of that commonsense. Some of the most complex problems we solve involve reasoning about mechanical devices, such as gears, cams, and clocks.
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Gravity Induced Stresses in a Shrink-Fit Disk.
… a very small percentage of design or analysis problems can be treated by application of analytical elasticity techniques. This, of course, is due to mathematical difficulties associated with the solution of the governing equations subject to prescribed boundary conditions. Several techniques of …
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Development of a Photonic Link for Enhancements in Quantum Applications
… mechanics to process information and solve complex problems at levels that classical computers can't attain. However, its hardware implementation remains challenging due to environmental constraints. To address these concerns, this work explores the use of a photonic link to alleviate the …
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Needs related to marriage and family living of twelfth-grade pupils in ethnically diverse communities of Iowa
… society. Educators are concerned with the problems of the adults of tomorrow as they consider the increasingly early age of marriage, school drop-outs, unemployment among young people, mobility of families, and technological advancements and specialization which have contributed to the …
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The use of domain knowledge in optimal information aggregation
… a proof that there exist classes of problems for which the two tallies can never agree, and an extension of these results to small-world graphs, which have been of great interest recently due to their practical applicability to many complex problems.
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Collaborative intelligence and innovation in knowledge work
Knowledge work addresses complex problems whose solutions emerge through cycles of exploration, experimentation, and refinement. Increasingly, these problems are solved through collaboration between humans and technologies, with interactions that shift and adapt over time. This dissertation …
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School leadership skill development
… The leadership skills required to solve the complex problems of educational organizations are unstructured and ill-defined at this time. There is also a significant gap between the complex problems present in schools and the skilled leaders required to solve those problems. That gap …
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A Case Study of California Postsecondary Faculty Collaboration on Rubric Development To Foster Student Learning
… as the ‘gold standard’ strategy for conquering complex problems, collaboration can be ignored by intellectuals who prefer to work independently. This oversight may occur even in the face of challenging problems such as assessment of scholarships, institutional effectiveness, strategizing, and …
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Facilitating Multi-Perspective-Taking in Adults: A Field Study
… collaboration is critical to solving complex problems and constitutes one of the most challenging aspects of effective teamwork. A significant amount of tension that leads to unproductive divisions can be traced back to either-or thinking fallacy. This research explores what it takes …
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SIFT feature extraction on a Smartphone GPU using OpenGL ES2.0
… that the CPU and GPU can work in tandem to solve complex problems. However the mobile platform remains very restrictive requires a lot of effort from the programmer but does not achieve the same performance gains as observed on the PC.
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Incorporating passive solar issues in design methodology
… characteristically address specific, existing problems or classes of problems. In contrast, this project investigated the incorporation of passive solar issues in design methodology by addressing fundamental concepts of general problem solving. A methodological structure which provides flexible …
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Numerical Simulation of Multiphase Flow in Fractured Porous Media
… for twodimensional and threedimensional complex problems with several million unknowns. Additionally, a discontinuous Galerkin method for the groundwater flow equation and its multigrid treatment is presented.
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